'Geological researches round London', comprising five volumes of manuscript copies, by a number of hands, of notes made by James Mitchell principally on the geology and botany of London and the Thames Valley during his residence in the City, [1832-1840]. Also includes some cuttings of Mitchell's published articles. An index to the papers appears at the front of each volume and the titles or subjects listed are:

VOLUME 1

Loampit Hill; Cavern on the side of Blackheath; Pit in the old Charlton Parish; Shooters Hill; Pit at New Charlton near Woolwich; Sundridge Park near Bromley; Erith; Crayford; Bexley Heath; Dartford; Road from London to Gravesend; Greenhithe Park; Northfleet (including fossils and plants); Shorne; Holly Hill; Gadshill; Pits at Chatham; Gravesend to Wrotham; Town Malling; Quarry near Maidstone; Kits Cotty; Isle of Sheppey; Cliff at Reculver; Margate Sands; Chatham to Canterbury; Key Street; Sittingbourne; Canterbury to Margate; Isle of Thanet; Sandwich; Richborough Castle; Channel Flints; Dover to Folkstone; Hayes Common; Pratts Bottom; Knockholt Beeches; Knockholt to Tunbridge; Tunbridge to Maidstone; London Clay in Kent; Sand found in the Thames; Brickmaking; Useful applications of Chalk; Limeburning; Great Lime; Lias Lime; Cement Stone; Heights in Kent; Manufacturing of Whitening.

VOLUME 2

Heights of various places in Middlesex, Surrey and Sussex above the low water according to the Trigonometrical Survey; London Clay; Remains of quadrupeds; Of gravel; Animal remains in flint found in the Clay; Kensington; Hampstead; Highgate; Tottenham Marshes; From London to Edgeware; Stanmore Common; Harrow on the Hill; London to Uxbridge; Amersham; Watford; Hatfield Herfordshire; Well at Beaumont Green; Ware; Hertford; Ware to Cambridge; London to Romford and Brentford; Brook Street; Warley Common; London to Chigwell and Ongar; Ongar; London to Cambridge by Epping; Saffron Walden; Alluvial soil on the banks of the Thames; Purfleet; Artesian Well in the Marsh near Purfleet; Button's Breach; Gray's Thurrock commonly called Grays; London to Woodbridge; Chiselhurst; Gravesend; Dartford Marshes; Orpington; Wandsworth; Knightshill; Kingston upon Thames; Croydon; Head of the Wandle; Carshalton; Beddington Surrey; Mitcham Common; Wells at Mitcham; Ashtead Surrey; Ewell Surrey; Carshalton Downs; Croydon to Merstham; London to Merstham; Merstham; Well below the Church at Merstham; Gatton Park; London to Reigate by Sutton; Reigate; London to Godstone; Godstone; The Bourne; Tilburstow; Bletchingly; Fuller's Earth Pits; London to Dorking; Dorking to Limepits; Dorking to Leith Hill; Leatherhead to Guildford; Guildford; Chelsworth House; Langdon Hills Essex.

VOLUME 3

New River Company's well at the end of Tottenham Court Road; Upper Clapton; List of minerals and fossils in the pits at Muswell Hill by Frederick Purdey; Brentford; Hounslow Heath; Hanwell; Wells at Hanwell; Harefield; Enfield; Northan; Cheshunt Street; Watford; Wades Mill; Puckeridge; Much Haddam; Royston; Tring; Strata of Essex; Waltham Abbey; Sewardstone; Epping Forest; Stratford; Dagenham; Ilford; Romford; Upminster; Peckham Rye; Counter Hill; Norwood; Epsom; Sutton; Cheam; Road from Croydon to Limpsfield; Merstham; Bletchingly; Nutfield and Fuller's Earth Pits; Barnes; Chertsey; Plumstead; Sydenham; Dartford Heath; Chiselhurst; Westerham; Farningham; Maidstone; Wrotham; Upnor; Cliff, Cooling and All Hallows; Cuxton; Halling; Isle of Sheppey; Sittingbourne; Windsor; North side of Bagshot Heath; Bagshot Heath; On the Blackheath formation; Druid Sandstone; On the changes produced on chalk flints.

VOLUME 4

Section of the London and Croydon Railway; Of the London Basin; Of the London Clay; Age of the London Clay; Fossil wood in London Clay; Septaria or Cement Stone; Wells in London; Bognor Shells; Woolwich Shells; Mineralogical substances in Middlesex and Essex (Cement Stone, Pyrites, Selenite, Wood, Sulphate of Magnesium); Quartz; Gravel. Series of papers on the construction and description of water wells, including: Foul air - wells; Wells at Sanderstead, Norbury, Epsom Downs, Kent; Air pump used in well digging and well boring; Expense of well digging and well boring; Direction of underground currents; Foul air in Wells in Essex and Middlesex; Beds of sand in the blue clay beneath it; Wells rot each other; Wells at Sheerness and in Sheppey; As to whether digging or boring be preferable; Muswell Hill; Barnet; Hemel Hempstead; Tring; Buntingford; Royston; Hare Street; Danbury; Rochford and Rayleigh; Wallisea Island; Wigborough; Coast near Malden; Braintree; Croydon and the neighbouring Country; Brixton; Forest Hill; Well at Balham Hill; Well at Mortlake; St George's Hill; Kingston to Guildford; Weybridge; Well at Cobham; Godstone; Well at Merstham; Waltham on the Hill; Headley; Reigate; Red Hill Reigate; Dorking; Wells at Normanry and Ash; Wells in the Weald of Sussex; Reading; Newbury; Bexley Heath; Chelsfield and Well Hill; Wells at Margate; Great Baddon; Wells in various places.

VOLUME 5

Superficial strata of the county of Middlesex; Wells in Middlesex; Well at St Mary Woolnoth; Church Fenchurch Street; The Thames Tunnel; Mud and sand carried out by the Thames; Hampstead Heath; Watery action on the surface in Essex; On wells formed by digging and boring in Essex; Stratford in Essex; Chigwell and Chigwell Row; Kelvedon; Copford; Great Wakering; Wakering Marsh; Foulness Island; Walton on the Naze; On the watery action on the surface of the county of Surrey; On the sections at New Cross; on the strata of the of the Jolly Sailor Station of the Croydon Railway; Shirley sand pits; Addington Hills; Croham Hurst; Croydon; Woking Common; Leatherhead; Nettley Heath; Heights above the level of the Thames of places in and about London; On the foul air in the chalk and in the strata above the chalk in the country near London.